A.The compressed air
B.The compressing air
C.The transfer pump
D.The head tank
您可能感興趣的試卷
你可能感興趣的試題
A.reciprocating
B.diffuser
C.turbine
D.vane
A.lower than
B.higher than
C.below
D.equal to
A.fire-tubes
B.furnaces
C.down-comers
D.soot-blowers
A.The domestic water
B.Bilge water
C.Oil transfer
D.The ballast
A.A cut-off lever
B.A swivel block
C.A cross-head
D.A driving gear
最新試題
Which of the problems listed would came the discharge temperature of an R-12 refrigeration compressor to increase?（）
The general purpose of a heat exchanger is to （）.
If the viscosity of the liquid being transferred remains constant as the discharge pressure increases, the rotary pump （）.
Which of the following problems could cause the high pressure cutout switch to shut down the compressor in a refrigeration system?（）
On tank vessels equipped with power operated cargo tank valves, the type of power operator most commonly used is （）.
The rate of heat transfer between the hot and cold fluids passing through a shell-and-tube type heat exchanger will （）.
An increasing head pressure in a refrigeration system, without any corresponding change in the cooling water inlet temperature, would probably be caused by （）.
Who is responsible for ensuring that someone is assigned to close the watertight doors in an emergency?（）
When the steering gear is in operation, you should （）.
An internal bypass is provided on some hydraulic system suction strainers to help reduce the possibility of （）.